CAUTION—SHOCK HAZARD: To avoid the risk of electrical shock, if you are accessing the controller board or installing optional hardware or memory devices sometime after setting up the printer, then turn the printer off, and unplug the power cord from the electrical outlet before continuing. If you have any other devices attached to the printer, then turn them off as well, and unplug any cables going into the printer.
Turn off the printer.
Unplug the power cord from the electrical outlet, and then from the printer.
Unpack the optional tray, and then remove all packing material.
Align the printer with the optional tray, and then lower the printer into place.
CAUTION—POTENTIAL INJURY: If the printer weight is greater than 18
lb), then it requires two or more trained personnel to lift it safely.
Note: If you are installing both the optional trays, then place the 550‑sheet tray below the 650‑sheet duo tray.
Connect the power cord to the printer, and then to the electrical outlet.
CAUTION—POTENTIAL INJURY: To avoid the risk of fire or electrical shock, connect the power cord to an appropriately rated and properly grounded electrical outlet that is near the product and easily accessible.
Turn on the printer.